Best O-Rings For Hydraulics | CE Certification & Pricelist
We offer the Best O-Rings For Hydraulics, engineered to handle high pressures, aggressive fluids, and demanding temperatures. I design each seal to deliver long service life, reliable leak prevention, and easy field replacement in hydraulic cylinders and valve assemblies. With a choice of materials like NBR, FKM, and HNBR, you can match chemistry to your fluid and temperature profile. We ensure consistency in size tolerance and surface finish so your assembly tolerances stay tight and installation is straightforward. All products meet CE Certification requirements, supporting your compliance needs across European projects. For cost planning and procurement, I encourage you to check our Pricelist for bulk discounts and tiered pricing. We also offer technical datasheets, compatibility charts, and after-sales support to help you compare options quickly. If you need a custom size or compound, just tell me your spec, and I’ll tailor a solution that keeps downtime to a minimum and performance at peak.
Best O-Rings For Hydraulics Sets the Industry Standard Outperforms the Competition
Best O-Rings for Hydraulics Sets the Industry Standard Outperforms the Competition: engineered for the most demanding hydraulic systems, these O-ring kits combine premium compounds (NBR, HNBR, FKM, EPDM, PTFE) with precision molding to deliver exceptional fluid compatibility, extrusion resistance and low friction across wide temperature and pressure ranges. Each set includes common and hard-to-find sizes, strict dimensional tolerances, and materials selected for mineral oils, synthetic esters, water-glycol and fire‑resistant fluids—reducing leakage, downtime and total cost of ownership compared to commodity seals. Backed by decades of manufacturing experience and international quality practices, production emphasizes material traceability, rapid prototyping, and rigorous testing to meet global specifications. Buyers worldwide benefit from customizable kits, short lead times, competitive pricing and consistent batch quality—making these O-ring sets the trusted choice for maintenance teams, OEMs and distributors seeking reliable sealing performance that outperforms the competition.
{ Best O-Rings For Hydraulics Sets the Industry Standard Outperforms the Competition}
| Material | Typical Hardness (Shore A) |
Tensile Strength (MPa) |
Elongation at Break (%) |
Operating Temp Range (°C) |
Fluid Compatibility (Mineral Oil / Water Glycol / Phosphate Ester) |
Compression Set (70h @70°C %) |
Abrasion Resistance (1–5) |
Typical Applications | Standard Size Range (ID × CS mm) |
|---|---|---|---|---|---|---|---|---|---|
| Nitrile (NBR) | 70A (typ.) | 18–25 | 250–500 | -30 to +120 | Excellent / Fair / Poor | 25–45 | 3 | General-purpose hydraulic static & dynamic seals, rod & piston seals | ID 1–200 × CS 1.5–6 |
| Hydrogenated Nitrile (HNBR) | 70–90A | 20–35 | 200–400 | -30 to +150 | Excellent / Good / Fair | 15–30 | 4 | High-temperature/high-pressure dynamic seals, long-life piston & rod seals | ID 1–200 × CS 1.5–6 |
| Fluoroelastomer (FKM) | 70–90A | 10–25 | 100–300 | -20 to +200 | Good / Poor / Excellent | 10–30 | 3 | High-temperature, aggressive-fluid seals; static & dynamic use where chemical resistance is critical | ID 1–200 × CS 1.5–6 |
| EPDM | 60–90A | 8–20 | 200–600 | -50 to +150 | Poor / Excellent / Poor | 20–50 | 2 | Water/wet-environment hydraulics, brake & cooling circuit seals where oil resistance is not required | ID 1–200 × CS 1.5–6 |
| Silicone (VMQ) | 40–80A | 6–12 | 200–700 | -60 to +200 | Poor / Fair / Poor | 30–70 | 1–2 | High-temperature, low-pressure static seals, electrical insulation, cryogenic & food-contact applications (where compatible) | ID 1–200 × CS 1.5–6 |
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